646 26th Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 646 26th Ave, San Mateo, CA 94403

Property Summary

Property Type	Single Family Home
Details	2 bd · 1.5 ba · 1,070 sqft · built 1947
Lot Size	0.117 acres (5,086 sqft)
Owner	2 Trust Names on File
Last Sale	$740,000 (Feb 2010)
Tax Bill	$13,261 (2025)
Deeds & Mortgages	Aug 2026 Construction Loan Oct 2021 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`039-124-250`

Property Details

APN / Parcel Number

Primary APN	`039-124-250`

Interior

Bedrooms	2 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,070 sqft Living Area
1st Floor Area	1,040 sqft
Family Room	Family Room
Study	Study
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1947
Effective Year Built	Effective 1947
Architectural Style	Ranch
Exterior Material	Stucco
Roof Material	Composition Shingle
Lot Area	5,086 sqft (0.117 acres)
Lot Dimensions	100 ft deep x 50 ft wide
Garage Area	240 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	646 26TH AVE
City	SAN MATEO
State	CA
Zip	94403-2651
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 17 BLOCK 5 MEADOW HEIGHTS MAP NO 2 RSM 25/54 CITY OF SANMATEO
Legal Subdivision	MEADOW HEIGHTS MAP NO 2
Legal Block	5
Legal Lot Number	17
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2013
Census Tract	606700

Owner

646 26th Ave is held in a trust since February 2010.

Source: San Mateo County records, as of October 13, 2026

Owner of Record	2 Trust Names on File
Mailing Address	646 26TH AVE, SAN MATEO, CA 94403-2651
Owner Type	Company
Vesting	Trust, Revocable Living Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Aug 27, 2026	Grant Deed, Transfer · Construction Mortgage SLO CAPITAL INC
Oct 13, 2021	Deed of Trust, Mortgage · Conventional Mortgage HOME POINT FINANCIAL CORPORATION
Nov 6, 2020	Quit Claim Deed, Transfer ATTORNEY ONLY
Nov 2, 2019	Deed of Trust, Mortgage · Conventional Mortgage CALIBER HM LOANS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 11, 2010 · Amount on File
Deed Sale	Feb 11, 2010 · Amount on File
Deed Document Number	201015710
Prior Transfer Date	Aug 14, 1998
Prior Transfer Doc	0000132654
Record Updated	Oct 29, 2026

August 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Aug 27, 2026
Property Address	646 26TH AVE, SAN MATEO, CA 94403-2651
Document Number	0000048675
Instrument Date	Jul 29, 2026
Instrument	202648675
Transaction Type	Transfer
Record Updated	Sep 25, 2026
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPAN

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Living Trust
Address	646 26TH AVE, SAN MATEO, CA 94403-2651

Mortgage

Document Number	0000048676,
Date	Aug 27, 2026
Instrument	202648676

Lender

Name	SLO CAPITAL INC

Agreement

Type	Construction Mortgage
Amount	Amount on Record
Term	7 Months
Due	Mar 1, 2027

Interest

Rate Type	Adjustable Rate
Rate	9.62%
Initial Type	Adjustable Rate
Adjustable	Adjustable Rate Rider
Max Rate	-1%

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	646 26TH AVE, SAN MATEO, CA 94403-2651
Transaction Type	Mortgage
Record Updated	Oct 18, 2022
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	646 26TH AVE, SAN MATEO, CA 94403-2651

Mortgage

Document Number	0000144589
Date	Oct 13, 2021
Instrument	2021-144589

Lender

Name	HOME POINT FINANCIAL CORPORATION
Type	Mortgage Company
Address	PARSIPPANY, NJ 07054

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2051

November 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Nov 6, 2020
Property Address	646 26TH AVE, SAN MATEO, CA 94403-2651
Document Number	0000124998
Instrument Date	Oct 28, 2020
Instrument	124998
Transaction Type	Transfer
Record Updated	Dec 11, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	646 26TH AVE SAN MATEO CA 944032651, SAN MATEO, CA 94403-2651

November 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	646 26TH AVE, SAN MATEO, CA 94403-2651
Document Number	0000094021
Instrument Date	Nov 2, 2019
Transaction Type	Mortgage
Record Updated	Nov 27, 2019
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	646 26TH AVE SAN MATEO CA 944032651, SAN MATEO, CA 94403-2651

Mortgage

Document Number	0000094021
Date	Nov 8, 2019
Instrument	94021

Lender

Name	CALIBER HM LOANS
Type	Funding / Finance Company
Address	CUPERTINO, CA 95014

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Nov 7, 2049

Tax Assessment & Valuation

The 2025 property tax bill for 646 26th Ave was $13,261.

Source: San Mateo County assessment roll, as of July 15, 2026

Property Jurisdictions

Type	Name
State	California
County	San Mateo County
Municipality	San Mateo City
Elementary School District	San Mateo-Foster City Elementary School District (KG - 08)
Secondary School District	San Mateo Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$974,296 (+2%) Land $487,148 Building $487,148
2025	$13,261.00 Homeowner's exemption	$955,194 Land $477,597 Building $477,597
2023	$12,065.00 (-3.1%) Homeowner's exemption	$918,104 Land $459,052 Building $459,052	$1,242,540
2022	$12,451.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 646 26th Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1979.

Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force
Nearby Flood Claims	1 (1979)
Most Recent Claim	Apr 1979 · rainfall accumulation

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Wildfire risk around 646 26th Ave is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 99.1% of the US · lower than 99.2% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CALIFORNIA WATER SERVICE - SAN MATEO private · serves 103,536 people · EPA ID CA4110008
Water Source	Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State Inspection	Mar 2025
Lead	4 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 799 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50

May also be available: Etheric Networks, GeoLinks, T-Mobile, Verizon.

Nearby Properties on 26th Ave

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures